American’s have picked their favorite fast food burger.americans have picked their favorite fast food burger. burger. er3 in the annual “zagat” online survey – more than 65-hundred people thagreed that the best burger can be found at “five guys burger and fries.”the restaurant has 5-hundred locations in the us – including three hestores in austin. austin.rounding out the top five:west coast-based burger chain in-n-out burger.wendy’s, burger king and mcdonalds. mcdonalds.and you can’t have a burger without the fries.e mcdonalds took the top spot once again.followed by five guys, in-out burger, wendy’s and burger king. king.to